package com.itheima.reggie.config;

import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.List;

/**
 * @author ：sean
 * @date ：Created in 2022/5/16
 * @description ：
 * @version: 1.0
 */
@Slf4j
@Configuration
@EnableSwagger2
@EnableKnife4j
public class WebMvcConfig extends WebMvcConfigurationSupport {
	/**
	 * 设置静态资源映射
	 * @param registry
	 */
	@Override
	protected void addResourceHandlers(ResourceHandlerRegistry registry) {
		log.info("开始进行静态资源映射...");
//		registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
//		registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
		registry.addResourceHandler("doc.html").addResourceLocations("classpath:/META-INF/resources/");
		registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
	}

	@Override
	protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
		log.info("扩展消息转换器...");
		//创建消息转换器对象
		MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
		//设置对象转换器，底层使用Jackson将Java对象转为json
		messageConverter.setObjectMapper(new JacksonObjectMapper());
		//将上面的消息转换器对象追加到mvc框架的转换器集合中
		converters.add(0,messageConverter);
	}
	@Bean
	public Docket createRestApi() {
		// 文档类型
		return new Docket(DocumentationType.SWAGGER_2)
				.apiInfo(apiInfo())
				.select()
				.apis(RequestHandlerSelectors.basePackage("com.itheima.reggie.controller"))
				.paths(PathSelectors.any())
				.build();
	}

	// // springfox.documentation.service.ApiInfo
	private ApiInfo apiInfo() {
		return new ApiInfoBuilder()
				.title("瑞吉外卖")
				.version("1.0")
				.description("瑞吉外卖接口文档")
				.build();
	}
}
